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Ubuntu 14.10, 14.04, 12.04: 2425-1 Critical DBus DoS Advisory

ubuntu
Calendar Grey November 27, 2014
Dist Ubuntu Esm H88
Ubuntu 18.04 LTS, 16.10, and 16.04 LTS vulnerable to a DBus denial of service flaw causing system instability.
DBus could be made to stop responding under certain conditions.

Summary

DBus could be made to stop responding under certain conditions.

Software Description:

- dbus: simple interprocess messaging system

Details:

It was discovered that DBus incorrectly handled a large number of file

descriptor messages. A local attacker could use this issue to cause DBus to

stop responding, resulting in a denial of service. (CVE-2014-7824)

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu DBus

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  dbus                            1.8.8-1ubuntu2.1
  libdbus-1-3                     1.8.8-1ubuntu2.1

Ubuntu 14.04 LTS:
  dbus                            1.6.18-0ubuntu4.3
  libdbus-1-3                     1.6.18-0ubuntu4.3

Ubuntu 12.04 LTS:
  dbus                            1.4.18-1ubuntu1.7
  libdbus-1-3                     1.4.18-1ubuntu1.7

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-2425-1

CVE-2014-7824

Severity
critical
Lowest
Low
Medium
High
Critical

November 27, 2014

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu DBus

Package Information

https://launchpad.net/ubuntu/+source/dbus/1.8.8-1ubuntu2.1
https://launchpad.net/ubuntu/+source/dbus/1.6.18-0ubuntu4.3
https://launchpad.net/ubuntu/+source/dbus/1.4.18-1ubuntu1.7

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